RunsLeft › Pitchers › Tatsuya Imai
Starting Pitcher · Houston Astros

Tatsuya Imai

RHP · Throws Right · Age 28Starter
ERA
6.06
FIP
–
IP
52.0
W-L
5-4
WHIP
1.50
K%
27.0
BB%
14.2
GB%
–
K/9
10.9
HR/9
1.6
He was signed by the Houston Astros as an amateur free agent in January 2026. He made his MLB debut on March 29, 2026.Facts: MLB StatsAPI (people · transactions)
No scheduled start today. The model projection and lineup matchup appear on start days.

Slider

SL · lead pitch

44% of pitches · .273 xwOBA allowed · 127 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
1%1%0%0%0%3%2%3%2%0%9%12%14%6%2%2%5%6%2%1%1%7%10%7%4%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
.739.707–––.536.396.000.000–.229.235.494.005–.192.333.210.284.000–.049.118.168.365
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
.010.007–––.018.008.000.000–.022.028.067.000–.003.017.013.006.000–.003.011.012.015
Low risk · Average · High-risk zone
Slider (44% usage) has allowed .273 xwOBA over 127 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

6 pitch types · 1,018-pitch sample · 2026 season

Slider SL
44% usage · 39% whiff · .273 xwOBA · 86.7 mph
Four-Seam Fastball FF
43% usage · 15% whiff · .420 xwOBA · 94.9 mph
Sinker SI
6% usage · 19% whiff · .458 xwOBA · 94.5 mph
Changeup CH
3% usage · .875 xwOBA · 86.0 mph
Splitter FS
3% usage · 84.7 mph
Curveball CU
1% usage · .272 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
0102030405060705/255/316/66/126/196/257/17/7
SliderFour-Seam FastballSinker
Hand Splits
K% + xwOBA allowed by batter side · 2026 season
SplitK%xwOBASample
vs. LHB24.5 .382 132
vs. RHB29.8 .275 82
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Market lines

current pick’em lines by book · updates through the day

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DFS picks

today’s picks for this pitcher, probability-sorted · graded nightly

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